$39.99
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Submergible, thermostatically controlled with automatic shut-off. Begins operating at 35°F; heats water to 45°F, then shuts down until water falls below 35°F gain. Features an exposed element but comes with a protective guard; safe to use in plastic tanks. Do not use extension cords. One year warranty.
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🇺🇸 Ship from USA · On Agora since 2026
$39.99